135164425 has 24 divisors (see below), whose sum is σ = 183550752. Its totient is φ = 97920000.

The previous prime is 135164417. The next prime is 135164453. The reversal of 135164425 is 524461531.

It is a happy number.

It is not a de Polignac number, because 135164425 - 2³ = 135164417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83625 + ... + 85225.

It is an arithmetic number, because the mean of its divisors is an integer number (7647948).

Almost surely, 2^135164425 is an apocalyptic number.

It is an amenable number.

135164425 is a deficient number, since it is larger than the sum of its proper divisors (48386327).

135164425 is a wasteful number, since it uses less digits than its factorization.

135164425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1924 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 135164425 is about 11626.0236108482. The cubic root of 135164425 is about 513.2009682427.

The spelling of 135164425 in words is "one hundred thirty-five million, one hundred sixty-four thousand, four hundred twenty-five".